CVE-2020-15225 : What You Need to Know

CVE-2020-15225 is a Denial of Service vulnerability in django-filter that allows for potential DoS attacks from malicious input. The vulnerability affects django-filter versions prior to 2.4.0.

Understanding CVE-2020-15225

This CVE involves a vulnerability in django-filter that could be exploited for DoS attacks.

What is CVE-2020-15225?

The vulnerability in django-filter before version 2.4.0 allows for potential DoS attacks due to a flaw in handling

NumberFilter

instances with large exponents in exponential format.

The Impact of CVE-2020-15225

The vulnerability could be exploited by attackers to launch DoS attacks on systems using django-filter versions prior to 2.4.0.

Technical Details of CVE-2020-15225

This section provides technical details about the vulnerability.

Vulnerability Description

In django-filter versions before 2.4.0,

NumberFilter

instances could be manipulated with malicious input using exponential format, leading to potential DoS attacks.

Affected Systems and Versions

Vendor: carltongibson
Product: django-filter
Affected Versions: < 2.4.0

Exploitation Mechanism

Attackers could exploit the vulnerability by inputting large exponents in exponential format to

NumberFilter

instances, causing a DoS condition.

Mitigation and Prevention

Protecting systems from CVE-2020-15225 requires specific actions.

Immediate Steps to Take

Upgrade django-filter to version 2.4.0 or higher to mitigate the vulnerability.
Manually apply an equivalent validator if upgrading is not immediately possible.

Long-Term Security Practices

Regularly update software components to the latest versions to address known vulnerabilities.
Implement input validation mechanisms to prevent malicious input.

Patching and Updates

Apply patches and updates provided by the vendor to ensure the security of the system.